Shares of

Synaptics

(SYNA) - Get Report

were among technology's losers Friday, falling 24% after the company posted solid fourth-quarter results but warned that first-quarter sales would be lower than Wall Street forecasts.

The maker of touchpad technology earned $12.2 million, or 41 cents a share, on sales of $56.8 million. Analysts polled by Thomson First Call were expecting earnings of 30 cents a share on sales of $56.6 million. A year ago, the company earned $3.7 million, or 13 cents a share, on sales of $35.1 million.

Looking ahead, Synaptics said that it expects first-quarter sales to be down 9% to 10% sequentially. That would put sales between $51.2 million and $51.7 million. Analysts had been expecting sales of $55 million. Synaptics said the guidance assumes seasonal growth in the notebook market with demand weighted toward the low-end consumer models. The forecast also assumes lower visibility in the hard disk drive MP3 player market, the company said. Shares were trading down $4.94 to $16.08.

I2 Technologies

( ITWO) jumped 68% after the software company posted second-quarter results that blew by expectations. The company reported earnings of $31.5 million, or $1.66 a share, on sales of $98.5 million. Results included a gain on securities sales of $11 million. Analysts were expecting the company to report a loss of 7 cents a share on sales of $76.4 million.

A year ago, the company earned $11.9 million, or 62 cents a share, on sales of $110.6 million. Looking ahead, I2 Technologies expects to post a third-quarter operating profit on sales that will fall below the just-completed second quarter. The company said that seasonality and "potential disruptions results from the recent organizational changes in July" would cause the decline. Shares were trading up $8.85 to $21.85.

Shares of

Micromuse

( MUSE) fell 10% after the software provider posted mixed third-quarter results and warned that fourth-quarter earnings would be below forecasts. The company reported adjusted earnings of $3.8 million, or 5 cents a share, on sales of $39.3 million. Analysts were expecting earnings of 4 cents a share on sales of $39.9 million. A year ago, the company reported adjusted earnings of $682,000, or 1 cent a share, on sales of $34.8 million. Looking ahead, Micromuse forecast adjusted fourth-quarter earnings of 3 cents to 5 cents a share on sales of $42 million to $45 million. Analysts had been expecting earnings of 7 cents a share on sales of $43.8 million. Shares were trading down 59 cents to $5.40.

MicroStrategy

(MSTR) - Get Report

rose 18% after the company posted second-quarter results that were well above expectations, initiated a $300 million stock buyback, and announced a court victory. The software company earned $17.6 million, or $1.12 a share, on sales of $65.4 million. Analysts were expecting earnings of 89 cents a share on sales of $63 million. A year ago, the company earned $11.4 million, or 67 cents a share, on sales of $49.9 million.

The company's stock buyback plan has a five-year term and will be funded by working capital. MicroStrategy said funding could also come from any credit facilities or other borrowing arrangements that it enters into in the future. At the end of June, the company had about $51 million in cash and cash equivalents.

Finally, the company said that it won a patent lawsuit against

Business Objects

( BOBJ). The court victory marks the end of a lawsuit brought by Business Objects in October 2001 that alleged MicroStrategy infringed on one of its patents. The court dismissed the lawsuit, which sought injunctive relief and damages in excess of $100 million, with prejudice, MicroStrategy said. In the meantime, MicroStrategy's own counter-suit against Business Objects for patent infringement is expected to go to trial in May 2006. Shares of MicroStrategy were recently trading up $11.92 to $78.10.

Shares of

Microsemi

(MSCC)

fell 6% after the chipmaker posted mixed third-quarter results. The company earned $9.8 million, or 15 cents a share, on sales of $75.2 million. Excluding items, the company would have earned $11.5 million, or 18 cents a share. Analysts were expecting earnings of 17 cents a share on sales of $75.6 million. A year ago, the company posted pro forma earnings of $6 million, or 10 cents a share, on sales of $64.1 million. Looking ahead, Microsemi forecast fourth-quarter earnings of 18 cents to 20 cents a share on sequential sales growth of 3% to 5%, implying sales of $77.5 million to $79 million. Analysts are expecting earnings of 19 cents a share on sales of $78.2 million. Shares were trading down $1.48 to $21.55.

Other technology movers included

Symantec

(SYMC) - Get Report

, down $1.88 to $21.91;

Microsoft

(MSFT) - Get Report

, down 8 cents to $25.67;

Intel

(INTC) - Get Report

, down 19 cents to $27.15;

Cisco Systems

(CSCO) - Get Report

, down 5 cents to $19.25;

Sun Microsystems

(SUNW) - Get Report

, down 2 cents to $3.83;

Motorola

( MOT), down 35 cents to $20.96;

Oracle

(ORCL) - Get Report

, down 20 cents to $13.65;

Sirius Satellite Radio

(SIRI) - Get Report

, down 6 cents to $6.82; and

Lucent Technologies

( LU), down 5 cents to $2.91.